The number of students enrolled in a new course as a function of time can be represented by the function.

f(x) = (4)^x − 1

What is the average increase in the number of students enrolled per hour between hours 2 and 4?

Enter your answer in the box.

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Question

The number of students enrolled in a new course as a function of time can be represented by the function.

f(x) = (4)^x − 1

What is the average increase in the number of students enrolled per hour between hours 2 and 4?

Enter your answer in the box.

_______________

mikewwe13 · Answer

@Vocaloid

celticcat · Answer

number enrolled after 2 hours = 4^2 - 1 = 15

after 4 hours it is 4^4 - 1 = 255

so the increase in 2 hours is 255 - 15 = 240

required average  is 240 / 2 = 120